- Weather Bureau Army Navy (WBAN): 94846
- Country: US
- State: IL
- Latitude: 41.96
- Longitude: -87.932
An Integrated Surface Dataset (ISD) station ID was found for this station. Newer data may be available at the ISD page.
High Temperatures
On June 21 in CHICAGO O'HARE INTERNATIONAL the average high temperature is 82.8 °F (28.2 °C). The lowest recored high temperature was 60.1 °F (15.6 °C) in 1992 and the highest recored high temperature was 104.0 °F (40.0 °C) in 1988. The high temperature is usually* between 77.5 °F (25.3 °C) and 88.1 °F (31.2 °C). About a quarter of the time, the high temperature is less than 77.5 °F (25.3 °C), and another quarter of the time, the high temperature is greater than and 88.1 °F (31.2 °C). About 95% of the time, the high temperature has been between 67.4 °F (19.7 °C) and 98.2 °F (36.8 °C).
Low Temperatures
On June 21 in CHICAGO O'HARE INTERNATIONAL the average low temperature is 60.4 °F (15.8 °C). The lowest recored low temperature was 37.9 °F (3.3 °C) in 1992 and the lowest recored low temperature was 73.9 °F (23.3 °C) in 2012. The low temperature is usually* between 55.2 °F (12.9 °C) and 65.6 °F (18.7 °C). About a quarter of the time, the low temperature is less than 55.2 °F (12.9 °C), and another quarter of the time, the low temperature is greater than and 65.6 °F (18.7 °C). About 95% of the time, the low temperature has been between 45.2 °F (7.3 °C) and 75.6 °F (24.2 °C).
Frost
On June 21 in CHICAGO O'HARE INTERNATIONAL expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- CHICAGO O'HARE INTERNATIONAL — Integrated Surface Dataset (ISD) station ID: 725300 — Weather Bureau Army Navy (WBAN): 94846 — from year 1947 to 2025
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— Weather Bureau Army Navy (WBAN): 94846 — from year 1970 to 1972